Individual EA measurements
Largest measured european eel
The largest individual measurements in this river and species dataset. Equal measurements are retained as separate surveyed fish.
| Length | Survey date | Survey location | Survey ID |
|---|---|---|---|
| 57 cm | 21 Nov 2005 | Park Farm | 88014 |
| 55.9 cm | 25 Oct 2011 | Upstream Layer Mill | 128852 |
| 55.2 cm | 21 Oct 2011 | Park Farm | 128846 |
| 54.1 cm | 25 Oct 2011 | Upstream Layer Mill | 128852 |
| 53.6 cm | 18 Oct 2018 | Bounstead FGS | 154056 |
| 53.2 cm | 17 Oct 2017 | Bounstead FGS | 152380 |
| 52.9 cm | 16 Oct 2017 | Upstream Layer Mill | 152383 |
| 52.8 cm | 16 Oct 2017 | Upstream Layer Mill | 152383 |
| 52.6 cm | 8 Nov 2005 | Upstream Layer Mill | 88025 |
| 52.4 cm | 25 Oct 2011 | Upstream Layer Mill | 128852 |
Lengths are direct survey measurements. RiverFish does not estimate fish weights from length.
Explore the river
Where european eel were found
Each point marks a survey location with at least one european eel record.
Choose a point on the map to see what was recorded there.
Map points are approximate and don’t show fishing access. Check local permissions before visiting.
| Place surveyed | First recorded | Last recorded | Visits finding european eel |
|---|---|---|---|
| Bounstead FGS | 6 Mar 1984 | 12 Oct 2025 | 14 |
| Upstream Layer Mill | 7 Mar 1984 | 16 Oct 2017 | 9 |
| Park Farm | 15 Mar 1984 | 21 Oct 2011 | 8 |
| Eel specific (Park Farm) | 14 Jul 2008 | 14 Jul 2008 | 1 |
| Olivers Farm | 16 Mar 1984 | 14 Nov 2005 | 7 |
Choose a point or table row to see the location. More survey visits can mean more records, but not necessarily more fish.
1984–2025
Survey records by year
Each bar shows how many survey visits recorded european eel that year.
Fish measured by surveyors
Measured length distribution
See how the 963 measured fish were spread across different length ranges.
- Smallest
- 7.6 cm
- Lower quarter
- 19.8 cm
- Median
- 28.9 cm
- Upper quarter
- 35.8 cm
- Largest
- 57 cm
Lengths are direct survey measurements rather than anglers’ catches.
Fish weighed by surveyors
Measured weight summary
Recorded weights were available for 963 european eel. This is a subset of the measured fish and may not represent the whole population.
- Lightest
- 0 oz (0.0001 kg)
- Lower quarter
- 0.4 oz (0.0111 kg)
- Median
- 1.3 oz (0.036 kg)
- Upper quarter
- 2.7 oz (0.0774 kg)
- Heaviest
- 12.5 oz (0.354 kg)
These are direct individual weights recorded by Environment Agency surveyors. Combined bulk weights are not included.
More fish in this river
Explore the Roman River (Main Reaches)
Compare other species with enough survey and measurement data for a detailed page.
Before you fish
Good to know
These are past survey records, so the fish present today may be different. Map points are approximate—check local access, permissions and fishing rules before visiting.
Learn how RiverFish uses the data →